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Full text of "Text Book Of Mechanical Engineering"

n

110

Forging a Shackle.

scarf of the form shown ate, by drawing down at the point and

The eyes are next formed  by taking a welding ^ heat,

round a mandril rather smaller than the finished size of

and velding with hammer as at D.    A flat face, E, is used

to smoothen, and a finishing mandril is driven through the hole

as at F.    These operations being performed on each eye, we have

fee shackle admnced to the stage G.    Daly one more heat is

necessary to bend the rod to the* proper form round the

beak3 and the finishing stroke is given on a block (H) which

as a template to define the distance between the eyes.